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<?php |
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namespace GeminiLabs\SiteReviews\Database; |
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use GeminiLabs\League\Csv\Reader; |
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use GeminiLabs\League\Csv\Statement; |
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use GeminiLabs\League\Csv\TabularDataReader; |
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use GeminiLabs\SiteReviews\Commands\CreateReview; |
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use GeminiLabs\SiteReviews\Database; |
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use GeminiLabs\SiteReviews\Defaults\ImportResultDefaults; |
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use GeminiLabs\SiteReviews\Helpers\Cast; |
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use GeminiLabs\SiteReviews\Request; |
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use GeminiLabs\SiteReviews\Review; |
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class ImportManager |
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{ |
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public function flush(): void |
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{ |
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glsr(Database::class)->dbQuery( |
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glsr(Query::class)->sql("TRUNCATE TABLE table|tmp") |
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); |
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} |
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public function import(int $limit = 1, int $offset = 0): array |
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{ |
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if (!defined('WP_IMPORTING')) { |
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define('WP_IMPORTING', true); |
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} |
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set_time_limit(0); |
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wp_raise_memory_limit('admin'); |
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wp_defer_term_counting(true); |
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wp_suspend_cache_invalidation(true); |
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$reader = Reader::createFromPath($this->tempFilePath()); |
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$reader->setHeaderOffset(0); |
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$records = Statement::create() |
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->offset(max(0, $offset)) |
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->limit(max(1, $limit)) |
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->process($reader); |
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$result = glsr(ImportResultDefaults::class)->defaults(); |
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foreach ($records as $values) { |
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$request = new Request($values); |
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$command = new CreateReview($request); |
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if ($review = $this->importedReview($command->request)) { |
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$result['attachments'] += glsr()->filterInt('import/review/attachments', 0, $request, $review, false); |
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$result['skipped']++; |
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continue; |
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} |
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if ($review = glsr(ReviewManager::class)->create($command)) { |
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$result['attachments'] += glsr()->filterInt('import/review/attachments', 0, $request, $review, true); |
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$result['imported']++; |
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continue; |
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} |
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$result['skipped']++; |
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} |
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wp_defer_term_counting(false); |
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wp_suspend_cache_invalidation(false); |
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unset($reader, $records); |
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return $result; |
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} |
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public function importAttachments(int $limit = 1, int $offset = 0): array |
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{ |
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if (!defined('WP_IMPORTING')) { |
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define('WP_IMPORTING', true); |
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} |
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set_time_limit(0); |
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wp_raise_memory_limit('image'); |
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wp_suspend_cache_invalidation(true); |
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$limit = max(1, $limit); |
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$offset = max(0, $offset); |
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$result = glsr()->filterArray('import/reviews/attachments', [], $limit, $offset); |
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wp_suspend_cache_invalidation(false); |
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return glsr(ImportResultDefaults::class)->restrict($result); |
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} |
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public function importedReview(Request $request): ?Review |
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{ |
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$submittedHash = md5(maybe_serialize($request->toArray())); |
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$sql = " |
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SELECT p.ID |
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FROM table|posts AS p |
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INNER JOIN table|postmeta AS pm ON (pm.post_id = p.ID) |
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WHERE 1=1 |
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AND p.post_type = %s |
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AND pm.meta_key = '_submitted_hash' |
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AND pm.meta_value = %s |
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"; |
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$sql = glsr(Query::class)->sql($sql, glsr()->post_type, $submittedHash); |
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$reviewId = glsr(Database::class)->dbGetVar($sql); |
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$reviewId = Cast::toInt($reviewId); |
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$review = glsr_get_review($reviewId); |
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if (!$review->isValid()) { |
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return null; |
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} |
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return $review; |
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} |
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public function tempFilePath(): string |
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{ |
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$uploads = wp_upload_dir(); |
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if (!file_exists($uploads['basedir'])) { |
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$uploads = wp_upload_dir(null, true, true); // maybe the site has been moved, so refresh the cached uploads path |
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} |
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$path = trailingslashit($uploads['basedir']); |
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$path = trailingslashit($path.glsr()->id); |
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$path = trailingslashit($path.'temp'); |
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wp_mkdir_p($path); |
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return $path.'import.csv'; |
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} |
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public function unlinkTempFile(): bool |
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{ |
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$path = $this->tempFilePath(); |
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if (!is_file($path)) { |
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return false; |
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} |
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unlink($path); // delete the temporary import file |
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return true; |
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} |
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public function chunkIt(\Iterator $records, int $chunkSize): \Generator |
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{ |
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$records->rewind(); |
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$chunk = []; |
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for ($i = 0; $records->valid(); ++$i) { |
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$chunk[] = $records->current(); |
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$records->next(); |
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if (count($chunk) === $chunkSize) { |
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yield $chunk; |
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$chunk = []; |
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} |
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} |
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if (count($chunk) > 0) { |
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yield $chunk; |
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} |
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} |
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/** |
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* Temporarily store the CSV rows to the database for later processing. |
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*/ |
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public function store(TabularDataReader $records, int $chunkSize = 50): int |
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{ |
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$this->flush(); |
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$chunks = $this->chunkIt($records->getIterator(), $chunkSize); |
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$stored = 0; |
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foreach ($chunks as $index => $chunk) { |
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$values = array_map(fn ($row) => ['data' => maybe_serialize($row)], $chunk); |
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$result = glsr(Database::class)->insertBulk('tmp', $values, ['data']); |
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$stored += (int) $result; |
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unset($values); |
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} |
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return $stored; |
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} |
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} |
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pryley /
site-reviews
